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Titolo:
Structure and function of heterotrimeric G proteins in plants
Autore:
Fujisawa, Y; Kato, H; Iwasaki, Y;
Indirizzi:
Fukui Prefectural Univ, Dept Biosci, Matsuoka, Fukui 9101195, Japan Fukui Prefectural Univ Matsuoka Fukui Japan 9101195 Fukui 9101195, Japan
Titolo Testata:
PLANT AND CELL PHYSIOLOGY
fascicolo: 8, volume: 42, anno: 2001,
pagine: 789 - 794
SICI:
0032-0781(200108)42:8<789:SAFOHG>2.0.ZU;2-J
Fonte:
ISI
Lingua:
ENG
Soggetto:
GTP-BINDING PROTEINS; GIBBERELLIN SIGNAL-TRANSDUCTION; INWARD K+ CHANNEL; ALPHA-SUBUNIT; PLASMA-MEMBRANE; GENE-EXPRESSION; MOLECULAR-CLONING; PHOSPHOLIPASE-D; BETA-SUBUNIT; ARABIDOPSIS-THALIANA;
Keywords:
gibberellin; heterotrimeric G protein; signal transduction;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Citazioni:
62
Recensione:
Indirizzi per estratti:
Indirizzo: Iwasaki, Y Fukui Prefectural Univ, Dept Biosci, 4-1-1 Kenjyojima, Matsuoka, Fukui 9101195, Japan Fukui Prefectural Univ 4-1-1 Kenjyojima Matsuoka Fukui Japan 9101195
Citazione:
Y. Fujisawa et al., "Structure and function of heterotrimeric G proteins in plants", PLANT CEL P, 42(8), 2001, pp. 789-794

Abstract

Heterotrimeric G proteins are mediators that transmit the external signalsvia receptor molecules to effector molecules. The G proteins consist of three different subunits: alpha, beta, and gamma subunits. The cDNAs or genesfor all the alpha, beta, and gamma subunits have been isolated from many plant species, which has contributed to great progress in the study of the structure and function of the G proteins in plants. In addition, rice plantslacking the alpha subunit were generated by the antisense method and a rice mutant, Daikoku dl, was found to have mutation in the alpha -subunit gene. Both plants show abnormal morphology such as dwarfism, dark green leaf, and small round seed. The findings revealed that the G proteins are functional molecules regulating some body plans in plants. There is evidence that the plant G proteins participate at least in signaling of gibberellin at lowconcentrations. In this review, we summarize the currently known information on the structure of plant heterotrimeric G proteins and discuss the possible functions of the G proteins in plants.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 06/04/20 alle ore 08:01:14